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145205514536 = 23311913065477
BaseRepresentation
bin1000011100111011101…
…1000101000100101000
3111212210121210102020212
42013032323011010220
54334340102431121
6150412334040252
713330220336345
oct2071673050450
9455717712225
10145205514536
1156643800275
1224185049088
1310901188c04
147056b097cc
153b9cc2125b
hex21ceec5128

145205514536 has 32 divisors (see below), whose sum is σ = 282514452480. Its totient is φ = 69892852800.

The previous prime is 145205514527. The next prime is 145205514539. The reversal of 145205514536 is 635415502541.

It is a junction number, because it is equal to n+sod(n) for n = 145205514493 and 145205514502.

It is not an unprimeable number, because it can be changed into a prime (145205514539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485371 + ... + 1580106.

It is an arithmetic number, because the mean of its divisors is an integer number (8828576640).

Almost surely, 2145205514536 is an apocalyptic number.

It is an amenable number.

145205514536 is a deficient number, since it is larger than the sum of its proper divisors (137308937944).

145205514536 is a wasteful number, since it uses less digits than its factorization.

145205514536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065705 (or 3065701 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 145205514536 in words is "one hundred forty-five billion, two hundred five million, five hundred fourteen thousand, five hundred thirty-six".

Divisors: 1 2 4 8 31 62 124 191 248 382 764 1528 5921 11842 23684 47368 3065477 6130954 12261908 24523816 95029787 190059574 380119148 585506107 760238296 1171012214 2342024428 4684048856 18150689317 36301378634 72602757268 145205514536